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  3. JEE Main & Advanced

JEE Main & Advanced Sample Paper JEE Main Sample Paper-7

  • question_answer
    Statement-1: Packing of mechanical wrist watches and sensitive instruments is done in soft-iron case. Statement-2: Soft iron permits magnetic field lines to pass through them.

    A)  Both statements are True and Statement-2 explains Statement-1.

    B)  Both statements are True but Statement-2 does not explain Statement-1.

    C)  Statement-1 is True, Statement-2 is False.

    D)  Statement-1 is False, Statement-2 is True.

    Correct Answer: A

    Solution :

    Soft iron is a ferromagnetic and will let the field pass through it and thereby shielding the region from magnetic field. So, Statement-1 and statement-2 are correct. Statement-2 is correct explanation of statement-1.


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